been a lot of studies on it, showing particularly in adults and particularly if it's not smoked, it can be very safe. effective wise there's been a lot of studies of looking at its use in certain conditions, nausea, and associated with aids, for example, it can be very effective. what's interesting now is that it could be more effective than some of the things already out there, particularly with pain. there's a type of pain, soledad, you may be familiar with. it's called nueropathic pain, nerve pain, radiating pain, pins and needles sensation. there's more data suggesting it could be more effective than other pain medicines out there. >> i hear you, doctor, but i'm not asking at all about medicinal use. is smoking pot dangerous for your average person who wants to use it for recreational use, when would you tell a patient who sat down and said tess now legal in my state, sir, and i want your advice. >> asking for a friend. >> that's what i'm saying. i think the safety data is pretty compelling.